#3F39D2#3F39D2

#3F39D2 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.3% C 0.224 H 274.9°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#3F39D2
RGB	rgb(63, 57, 210)
HSL	hsl(242, 63%, 52%)
HSV	hsv(242, 73%, 82%)
CMYK	cmyk(70%, 72.9%, 0%, 17.6%)
CIE-LAB	lab(35.27, 50.05, -77.22)
CIE-LCH	lch(35.27, 92.02, 302.95°)
OKLab	oklab(46.34% 0.0192 -0.2233)
OKLCH	oklch(46.34% 0.224 274.9)
XYZ	xyz(15.1420, 8.6347, 61.8289)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.63

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F39D2 #CCD239

analogous

#3980D2 #3F39D2 #8C39D2

triadic

#3F39D2 #D23F39 #39D23F

tetradic

#3F39D2 #D23980 #CCD239 #39D28C

square

#3F39D2 #D23980 #CCD239 #39D28C

split-complementary

#3F39D2 #D28C39 #80D239

monochromatic

#1E1B76 #2B26A8 #3F39D2 #6F6BDD #A09DE9

Accessibility & contrast

On white

7.70

#3F39D2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3F39D2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F39D2

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F39D2	#FFFFFF	#000000	##FFFFFF
##3F39D2	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AD6

Deuteranopia (green-blind)

#004CCF

Tritanopia (blue-blind)

#006582

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f39d2;
/* rgb */ color: rgb(63, 57, 210);
/* oklch */ color: oklch(46.3% 0.224 274.9);

Tailwind

colors: {
  custom: {
    50: '#8971e1',
    500: '#3f39d2',
    950: '#000000',
  },
}

SCSS

$custom: #3f39d2;
$custom-light: #8971e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f39d2",
  "rgb": {
    "r": 63,
    "g": 57,
    "b": 210
  },
  "hsl": {
    "h": 242.353,
    "s": 62.963,
    "l": 52.353
  },
  "oklch": {
    "l": 0.4634,
    "c": 0.22409,
    "h": 274.9
  },
  "luminance": 0.08636
}

Semantic roles & 50–950 ramp

primary

#3F39D2

secondary

#D2D592

accent

#E642E0

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0815

muted

#7E7B84

Preview Lab

Preview with #3F39D2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →